NURULLAYEV, V.H., USUBALIYEV, B.T., GEHREMANOV, F.S. and GEHREMANOVA, U.F. 2019. CHEMICAL REAGENTS FOR SELECTIVITY IN IMPROVEMENT OF RHEOLOGICAL PROPERTIES OF CRUDE OIL. Journal of Engineering Studies and Research. 25, 1 (Mar. 2019), 36-45. DOI:https://doi.org/10.29081/jesr.v25i1.41.